Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
At Her Majesty's Pleasure	Kill fifty enemies with The Queen in one operation.	50
Best Bobbies on the Beat	Complete a two-player operation.	50
Blitzed	Kill five enemies at once with a pipe bomb.	70
By the Skin of Your Teeth	Revive yourself five times.	50
Cheers, Mate	Revive another player five times.	70
Crash Dive	Kill hundred enemies while diving.	50
Dodge This	Kill hundred enemies in slow time.	20
Easy Peasy	Complete an operation in easy mode.	55
Feet First	Kill hundred enemies while sliding.	50
Gobsmacked	Get hundred melee kills.	20
Gone Bonkers	Kill fifty enemies with pipe bombs.	50
Hard-Boiled Cop	Get thousand kills.	70
Hot Desking	Kill the heavy weapon mini-boss in the office level.	20
Keep Calm and Aim for the Head	Kill hundred enemies with a headshot.	50
Killer Instinct	Get 500 kills.	50
Knives Out	Kill fifty enemies with throwing knives.	70
London's Finest	Complete an operation in normal mode.	75
Peacekeeper	Get hundred kills.	20
Seize the Day	Complete a daily play.	20
Spanner in the Works	Kill the grenade launcher mini-boss in the maintenance level.	20
Whistle Punk	Kill fifty enemies with throwing axes.	70